Alibaba IPO could send Yahoo soaring: Gene Munster By: CNBC.com News June 30, 2014 at 13:51 PM EDT Yahoo's stake in pre-IPO Chinese ecommerce site Alibaba is undervalued and stands to send shares 20 percent higher, Piper Jaffray's Gene Munster says. Read More >> Related Stocks: Piper Jaffray Companies Yahoo